diff --git a/src/core/kcoreconfigskeleton.h b/src/core/kcoreconfigskeleton.h
--- a/src/core/kcoreconfigskeleton.h
+++ b/src/core/kcoreconfigskeleton.h
@@ -430,6 +430,10 @@
     QVariant property() const override;
     void setDefault() override;
     void swapDefault() override;
+    // shadow the method in KConfigSkeletonItem, which should be fine for autogenerated code
+    // KF6 TODO - fix this
+    void setWriteFlags(KConfigBase::WriteConfigFlags flags);
+    KConfigBase::WriteConfigFlags writeFlags() const;
 private:
     inline void invokeNotifyFunction()
     {
diff --git a/src/core/kcoreconfigskeleton.cpp b/src/core/kcoreconfigskeleton.cpp
--- a/src/core/kcoreconfigskeleton.cpp
+++ b/src/core/kcoreconfigskeleton.cpp
@@ -1587,3 +1587,13 @@
         invokeNotifyFunction();
     }
 }
+
+void KConfigCompilerSignallingItem::setWriteFlags(KConfigBase::WriteConfigFlags flags)
+{
+    mItem->setWriteFlags(flags);
+}
+
+KConfigBase::WriteConfigFlags KConfigCompilerSignallingItem::writeFlags() const
+{
+    return mItem->writeFlags();
+}